Environmental Blockchain
Regen Network
Earth Token
Veridium
UN Climate Chain Coalition
electriCChain
/ solarcoin / etc
https://carboncoin.cc/
and
http://www.ecohustler.co.uk/2018/01/31/bought-50m-carboncoins/
Biocoin
Creating an Infrastructure for a Biodiversity Information Token Economy
Nori
CO2 token
Mining:
Ocean mining
Bitcoin Blockchain Australian Power Company to Reopen Coal Power Plant to Mine Bitcoin
see also:
environmental_machine_learning